Planetary hours
in Nantes.
The day, from sunrise to sunset, is cut into twelve equal hours; so is the night, from sunset to the next sunrise. Each hour carries a planet, in the Chaldean order. A planetary hour therefore lasts 60 minutes only at the equinoxes: it all depends on the date and the city. Here are the exact hours for your city; what you do with them is up to you.
Planetary day of Monday, 4 August 2025: day of the Moon
- Sunrise
- 06:48
- Sunset
- 21:34
- Next sunrise
- 06:50
A day hour lasts 1h 14m; a night hour, 46 min. Local time (Europe/Paris).
Day
- 1☽︎ Moon06:48 – 08:02
- 2♄︎ Saturn08:02 – 09:16
- 3♃︎ Jupiter09:16 – 10:30
- 4♂︎ Mars10:30 – 11:44
- 5☉︎ Sun11:44 – 12:58
- 6♀︎ Venus12:58 – 14:11
- 7☿︎ Mercury14:11 – 15:25
- 8☽︎ Moon15:25 – 16:39
- 9♄︎ Saturn16:39 – 17:53
- 10♃︎ Jupiter17:53 – 19:07
- 11♂︎ Mars19:07 – 20:21
- 12☉︎ Sun20:21 – 21:34
Night
- 1♀︎ Venus21:34 – 22:21
- 2☿︎ Mercury22:21 – 23:07
- 3☽︎ Moon23:07 – 23:53
- 4♄︎ Saturn23:53 – 00:39
- 5♃︎ Jupiter00:39 – 01:26
- 6♂︎ Mars01:26 – 02:12
- 7☉︎ Sun02:12 – 02:58
- 8♀︎ Venus02:58 – 03:45
- 9☿︎ Mercury03:45 – 04:31
- 10☽︎ Moon04:31 – 05:17
- 11♄︎ Saturn05:17 – 06:03
- 12♃︎ Jupiter06:03 – 06:50
Other cities · France
Questions
How are the planetary hours calculated in Nantes?
On Monday, 4 August 2025, the Sun rises at 06:48 and sets at 21:34: the day lasts 14h 46m, that is twelve day hours of 1h 14m. The night, until the next sunrise at 06:50, lasts 9h 15m: twelve night hours of 46 min.
Which planet rules the first hour that day?
The Moon, from 06:48 to 08:02: the first hour of a day always goes to the planet of the weekday. The next ones follow the Chaldean order: Saturn, Jupiter, Mars, the Sun, Venus, Mercury, then the Moon again.
Today’s sky, on YOUR chart
Planetary hours are the same for everyone in a city. Your chart is yours alone: every morning AstroXP crosses the real sky with your birth, to the minute, and tells you what time it plays out for you.
On a computer? Scan this code with your phone.
Calendars
Sunrise and sunset calculated for the city (the Sun’s centre 0°50′ below the horizon: refraction and semi-diameter), local time of the city’s time zone. Checked against astronomy-engine, the app’s engine.